Hey Guys,
Does anybody know who to contact for GMS engine problems or parts? I bought a GMS .61 last year and have a busted piston ring. My local HS and tower say they no longer carry or service these engines. Because I know someone will ask, I'll discribe the ring failure. After about three gallons of fuel, I noticed a sudden loss in compression. The motor ran fine up to this point, however it did like to run a little rich. When I pulled the piston out, two pieces of the ring fell on the table and the third I popped out of the groove with my fingernail. The cylinder does not appear damaged, but I can't locate a ring. Wonder if an OS would fit?

Thanks,
Marvin